. Cooperative economic insect report. Beneficial insects; Insect pests. San Jose scale (Aspidlotus pernlciosus)12, 120, 12j, 153, 159, 180, 196, 216, 217, 219, 377, 464, 489, 606, 743, 758, 776, 810, 849, 866 Sap beetles 505, 529, 867, 944 Saratoga splttlebug (Aphrophora 5) 294, 330, J gens 363, »fl 538, 559, 58 , 627 403, 467, 517, 627, 650, 690, 709, 728, 827 toothed grain beetle (Or philus surj 77, 83,"gr: ryzae- 104, 106, 123, 126, 137, 143, 181, 309, 946 ay stink bug (Chlorochroa sayi) 10, 492, 617, 682, 740,"855 cale insects 16, 84, 156, 174, 182, 196, 233, 260, , 328, 340, 358


. Cooperative economic insect report. Beneficial insects; Insect pests. San Jose scale (Aspidlotus pernlciosus)12, 120, 12j, 153, 159, 180, 196, 216, 217, 219, 377, 464, 489, 606, 743, 758, 776, 810, 849, 866 Sap beetles 505, 529, 867, 944 Saratoga splttlebug (Aphrophora 5) 294, 330, J gens 363, »fl 538, 559, 58 , 627 403, 467, 517, 627, 650, 690, 709, 728, 827 toothed grain beetle (Or philus surj 77, 83,"gr: ryzae- 104, 106, 123, 126, 137, 143, 181, 309, 946 ay stink bug (Chlorochroa sayi) 10, 492, 617, 682, 740,"855 cale insects 16, 84, 156, 174, 182, 196, 233, 260, , 328, 340, 358, 363, 383, 441 , , 447, 518, 664, 781, 827, 840, , 862, 874, 934, 946 hoene spide: r mit e (Tetranychus schoenei) 912 :rew-wc .rm (C^ illitroga homin 11- vorax)9, 84, 105, 174, 186, 197, 309, 345, 426, 446, 472, 540, 581, 584, 607, 629, 6 51, 672, 693, 714, 730, 743, 782, 796, 816, 828, 852, 898 rfy scale (Chionaspis furfura) 742 Seed-corn maggot (Hylen lya cilicura) 11, 20, 40, 41 , 42, 82, 104, 106 142, 166, 173, 177 , 180, 182, 184, 185, 199, 203 , 241, 271, 307, 312, 319, 401, , 435, 443, 445, 601, 867, 890 , 907 Senn pest (Eurygaster j .ntegriceps) Serpentine leaf miners (Liriomyza spp.) 35, 115, 222, , S35, 644, 945 Sheep biting louse (Bovi cola ovis) 163 Sheep ked (Melophagus ovinus) 10 5, 163, 254, 274, 42S, 868 Sheep scab mite (Psoroptes equi var. ovis) 57, 94, 105,"157, 214, 3F57 561, 796, 816, 876 Shot-hole borer (Scolytus rugulosus) 420, 489, 510, 838, 866 , 874 Silverfish (Lepisma saccharina) 164, 877, 946 Sitka-spruce beetle (Dendroctonus obesus) 283 afhopper (Macr -spotted 1 fascifrons) 41, 42 338, 355, 395, 418 448, 461, 487, 493 437, 443, 508, 512, 521, 534, 620, 622, 644, 682, 727, 777, 781, 867, 933 Six-spotted mite (Botetranychus sexmaculatus) TTT; Slugs 177, 213, 399, 934 Smaller European (Scolyt 253, 270 184, 185, 186, 200, beetle s) 11, 243, 364, 382, 403, 471, 583, 629, 650, 671, 796, 815, 827, 898, 285, 344 496, 517 747, 781 914, 922, 946 ails 18


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